In case it ends up not being okay, could another dark color look nice on you? Jewel tone green, brown, purple, blue? It's relatively easy to find elegant, classy dresses in those colors.
(These are all long sleeved bc I pulled them from a list I made for someone who insisted on long sleeves but it's just to be demonstrative)
https://smile.amazon.com/dp/B09QRS8HF5/?th=1&psc=1
https://smile.amazon.com/dp/B09CQGCX6K/